Multiply by 15 Worksheet
The fast method (Ten and half again): Multiply by 10: 46 → 460. Halve that answer: half of 460 is 230. Add the two: 460 + 230 = 690.
NameDateTime takenScore ___ / 40
- 1.44 × 15 =
- 2.26 × 15 =
- 3.31 × 15 =
- 4.28 × 15 =
- 5.63 × 15 =
- 6.62 × 15 =
- 7.15 × 15 =
- 8.36 × 15 =
- 9.7 × 15 =
- 10.44 × 15 =
- 11.18 × 15 =
- 12.23 × 15 =
- 13.44 × 15 =
- 14.51 × 15 =
- 15.42 × 15 =
- 16.15 × 15 =
- 17.55 × 15 =
- 18.11 × 15 =
- 19.13 × 15 =
- 20.32 × 15 =
- 21.21 × 15 =
- 22.9 × 15 =
- 23.59 × 15 =
- 24.17 × 15 =
- 25.44 × 15 =
- 26.62 × 15 =
- 27.30 × 15 =
- 28.8 × 15 =
- 29.39 × 15 =
- 30.20 × 15 =
- 31.64 × 15 =
- 32.20 × 15 =
- 33.5 × 15 =
- 34.57 × 15 =
- 35.14 × 15 =
- 36.33 × 15 =
- 37.4 × 15 =
- 38.20 × 15 =
- 39.20 × 15 =
- 40.5 × 15 =
Answer key
- 660
- 390
- 465
- 420
- 945
- 930
- 225
- 540
- 105
- 660
- 270
- 345
- 660
- 765
- 630
- 225
- 825
- 165
- 195
- 480
- 315
- 135
- 885
- 255
- 660
- 930
- 450
- 120
- 585
- 300
- 960
- 300
- 75
- 855
- 210
- 495
- 60
- 300
- 300
- 75
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths